Table Of Contents - Marantz 4270 Instructions Manual

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TABLE OF CONTENTS
Connecting the 4270
2
Source Devices 4
Remote Speakers
4
Speaker Phasing 5
Speaker Placement
5
Front Panel Features
7
Mode Switch
7
Dimension 8
SQ Decoder
8
Balance Controls 8
Selector Switch 8
Bass, Mid and Treble Controls 8
Monitor Switch for Tape 1!Tape 2 8
Monitor Switch for Tape/Source 8
Main and Remote Spkr Switches
9
Power Switch
9
Front and Rear Phones Jacks 9
Loudness
9
Hi Filter Switch
9
Tuning Meter 9
Tuning
9
FM Muting Switch 10
Volume
10
Dolby Switch
10
Record Level (L) (R)
10
Play Cal. (L) (R)
10
400Hz Tone Switch
10
Rear Panel Features
11
Phono Jacks
11
CD-4/AUX Jacks
11
Tape Monitor In and Tape Monitor
Out Jacks
11
FM Antenna Terminals
11
AM Antenna Terminal
11
FM Quadradial Output Jack 12
FM De-Emphasis Switch 12
Dolby FM Preset Level Controls 12
Muting Level Control 12
Power Mode Switch 12
Pre Out, Main In Jacks 12
Connecting an External Amplifier for
Rear Channels 12
Connecting an External Amplifier for
Front Channels 12
Chassis Ground Binding Post 12
Main and Remote Speakers 12
Connection to AC Outlet 13
AC Convenience Outlets
13
Remote Control
13
External Decoder Connection
13
Tape Recording
13
Basic Dolby Process
14
Dolby Calibration
14
Procedure for Playback Calibration
14
Procedure for Record Calibration
15
Use of the Dolby System on FM
Broadcasts
16
FM De-Emphasis Switch
16
Dolby Mode Chart
16
Technical Description
18
General
18
Functional Description
18
Frond End
18
IF Stages
18
Limiter
18
FM Stereo Demodulator
18
Muting Circuit
18
AM Tuner
18
Phono Amplifiers
19
Selector Switch
19
Monitor (Tape/Source) Switch
19
Monitor (Tape 1 or 2) Switch
19
Tone Control 19
Power Amplifier 19
General Requirements 19
Installation of Walnut Cabinet
20
Service Notes
20
LIST F ILLUSTR A TIO NS
1. Rear Panel Connection
Facilities and Adjustments 2
2. Loudspeaker System Connections 3
3. Connection Diagram 4
4. Speaker Placement 6
5. Mono Mode Sound Dispersion 7
6. 2-channel Mode Sound Dispersion 7
7. Discrete Mode Sound Dispersion 7
8. Vari-Matrix Mode Sound Dispersion 7
9.
Front Panel Controls and Jacks
8
10. Stereophone Plug 9
11. FM/AM Antenna Connections 11
12. AM Ferrite-rod Antenna 11
13. Quick-Connect Speaker Terminal 13
14. Block Diagram 17
15. Packing Instructions 20
TABLE
1. Dolby Mode Chart 16